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Local Security Authority Subsystem Service (LSASS) [1] is a process in Microsoft Windows operating systems that is responsible for enforcing the security policy on the system. It verifies users logging on to a Windows computer or server, handles password changes, and creates access tokens. [2] It also writes to the Windows Security Log.
The Security Account Manager (SAM) is a database file [1] in Windows NT, Windows 2000, Windows XP, Windows Vista, Windows 7, 8.1, 10 and 11 that stores users' passwords. It can be used to authenticate local and remote users. Beginning with Windows 2000 SP4, Active Directory authenticates remote users.
Microsoft notes, "To be able to write to the Security log, SeAuditPrivilege is required. By default, only Local System and Network Service accounts have such privilege". [14] Microsoft Windows Internals states, "Processes that call audit system services . . . must have the SeAuditPrivilege privilege to successfully generate an audit record". [15]
An air gapped network (right) with no connection to a nearby internet-connected network (left) An air gap, air wall, air gapping [1] or disconnected network is a network security measure employed on one or more computers to ensure that a secure computer network is physically isolated from unsecured networks, such as the public Internet or an unsecured local area network. [2]
Services in Windows Vista also run in a less privileged account such as Local Service or Network Service, instead of the System account. Previous versions of Windows ran system services in the same login session as the locally logged-in user (Session 0).
Members in certain areas, including Alaska, may have to pay additional communications charges. If you connect to AOL using a dial-up connection, you may incur additional charges on your telephone bill, depending on your location and calling plan. Please check with your telephone company for more information. Minimum system requirements apply.
Network access control (NAC) is an approach to computer security that attempts to unify endpoint security technology (such as antivirus, host intrusion prevention, and vulnerability assessment), user or system authentication and network security enforcement.
Classic "Begin logon" dialog box on Windows XP Windows 11 lock screen, requiring user to press Ctrl+Alt+Delete.. Winlogon (Windows Logon) is the component of Microsoft Windows operating systems that is responsible for handling the secure attention sequence, loading the user profile on logon, creates the desktops for the window station, and optionally locking the computer when a screensaver is ...